Clean Water Act discharge permit · NPDES IL0026352
CAROL STREAM WRC, Carol Stream, IL: NPDES IL0026352 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 22Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
CAROL STREAM WRC, held by CAROL STREAM, VILLAGE OF, holds NPDES permit IL0026352, which discharges to Klein Creek (Desplaines Basin). EPA’s file records it issued September 29, 2015 and expiring September 30, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CAROL STREAM WRC |
|---|---|
| Permittee as filed | CAROL STREAM, VILLAGE OF |
| NPDES ID | IL0026352 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 29, 2015 |
| Expiration date | September 30, 2020 |
| Address | Carol Stream, IL 60188 |
| Receiving water | KLEIN CREEK (DESPLAINES BASIN) |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Middle West Branch Du Page River (HUC 071200040802) |
| Program components on file | Biosolids, POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | ICIS-AIR source IL000043020AER |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 23Pollutants on file
- 22Under a numeric limit
- 16With a violation of any kind
- 7With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Coliform, fecal general | 3 | 32 | 28 | September 30, 2021 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 59 | 31 | 23 | May 31, 2026 | 203% over the limit |
| Chlorine, total residual | 5 | 20 | 13 | April 30, 2025 | 3,620% over the limit |
| Solids, total suspended | 20 | 20 | 8 | January 31, 2010 | 546% over the limit |
| Oxygen, dissolved [DO] | 23 | 8 | 5 | April 30, 2013 | 12% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 16 | 23 | 3 | December 31, 2008 | 390% over the limit |
| Coliform, fecal - % samples exceeding limit | 0 | 1 | 1 | May 31, 2023 | 100% over the limit |
| pH | 10 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 8 | 0 | ||
| Phosphorus, total [as P] | 9 | 6 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 6 | 0 | ||
| BOD, 5-day, 20 deg. C | 4 | 5 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 4 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 4 | 0 | ||
| Flow, total | 2 | 2 | 0 | ||
| Phosphorus, dissolved | 2 | 1 | 0 | ||
| Copper, total [as Cu] | 6 | 0 | 0 | ||
| Zinc, total [as Zn] | 4 | 0 | 0 | ||
| Dichlorobromomethane | 4 | 0 | 0 | ||
| Nitrogen, total [as N] | 3 | 0 | 0 | ||
| Alkalinity, total [as CaCO3] | 2 | 0 | 0 | ||
| Chloride [as Cl] | 2 | 0 | 0 | ||
| Di[2-ethylhexyl] phthalate [DEHP] | 2 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 31, 2026 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| December 1, 2025 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IL0026352.
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID IL0026352 there.
Nearby on the register
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- Every permit record in Carol Stream, A to Z
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- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.